20217232

素因数分解:

$2^4\times 7^1\times {\mathrm{180511}}^1$

素因数の和:180526

約数の個数: 20

約数和(自身を含む): 44766976

約数和(自身を除く): 24549744

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 180511, 361022, 722044, 1263577, 1444088, 2527154, 2888176, 5054308, 10108616, 20217232]

約数ペア:

[(1, 20217232), (2, 10108616), (4, 5054308), (7, 2888176), (8, 2527154), (14, 1444088), (16, 1263577), (28, 722044), (56, 361022), (112, 180511)]